English
Related papers

Related papers: Switchcodec: Adaptive residual-expert sparse quant…

200 papers

Neural audio codecs have been widely adopted in audio-generative tasks because their compact and discrete representations are suitable for both large-language-model-style and regression-based generative models. However, most neural codecs…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-05 Yi-Chiao Wu , Dejan Marković , Steven Krenn , Israel D. Gebru , Alexander Richard

This paper accelerates video perception, such as semantic segmentation and human pose estimation, by levering cross-frame redundancies. Unlike the existing approaches, which avoid redundant computations by warping the past features using…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Davide Abati , Haitam Ben Yahia , Markus Nagel , Amirhossein Habibian

This paper explores the integration of model-based and data-driven approaches within the realm of neural speech and audio coding systems. It highlights the challenges posed by the subjective evaluation processes of speech and audio codecs…

Sound · Computer Science 2025-01-08 Minje Kim , Jan Skoglund

Almost all digital videos are coded into compact representations before being transmitted. Such compact representations need to be decoded back to pixels before being displayed to humans and - as usual - before being enhanced/analyzed by…

Image and Video Processing · Electrical Eng. & Systems 2023-11-03 Xihua Sheng , Li Li , Dong Liu , Houqiang Li

Neural audio codecs provide compact discrete representations for speech generation and manipulation. However, most codecs organize tokens as frame-level sequences, making it difficult to study or intervene on global factors of variation. In…

Sound · Computer Science 2026-05-13 Francesco Paissan , Luca Della Libera , Mirco Ravanelli , Cem Subakan

We present BigCodec, a low-bitrate neural speech codec. While recent neural speech codecs have shown impressive progress, their performance significantly deteriorates at low bitrates (around 1 kbps). Although a low bitrate inherently…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-10 Detai Xin , Xu Tan , Shinnosuke Takamichi , Hiroshi Saruwatari

In response to the rapid growth of global videomtraffic and the limitations of traditional wireless transmission systems, we propose a novel dual-stage vector quantization framework, VQ-DeepVSC, tailored to enhance video transmission over…

Networking and Internet Architecture · Computer Science 2024-09-06 Yongyi Miao , Zhongdang Li , Yang Wang , Die Hu , Jun Yan , Youfang Wang

Neural audio/speech coding has recently demonstrated its capability to deliver high quality at much lower bitrates than traditional methods. However, existing neural audio/speech codecs employ either acoustic features or learned blind…

Sound · Computer Science 2025-10-16 Xue Jiang , Xiulian Peng , Huaying Xue , Yuan Zhang , Yan Lu

This paper presents PhoenixCodec, a comprehensive neural speech coding and decoding framework designed for extremely low-resource conditions. The proposed system integrates an optimized asymmetric frequency-time architecture, a Cyclical…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-24 Zixiang Wan , Haoran Zhao , Guochang Zhang , Runqiang Han , Jianqiang Wei , Yuexian Zou

Voice conversion for highly expressive speech is challenging. Current approaches struggle with the balancing between speaker similarity, intelligibility and expressiveness. To address this problem, we propose Expressive-VC, a novel…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-10 Ziqian Ning , Qicong Xie , Pengcheng Zhu , Zhichao Wang , Liumeng Xue , Jixun Yao , Lei Xie , Mengxiao Bi

Although discrete speech tokens have exhibited strong potential for language model-based speech generation, their high bitrates and redundant timbre information restrict the development of such models. In this work, we propose LSCodec, a…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-22 Yiwei Guo , Zhihan Li , Chenpeng Du , Hankun Wang , Xie Chen , Kai Yu

This paper aims to delve into the rate-distortion-complexity trade-offs of modern neural video coding. Recent years have witnessed much research effort being focused on exploring the full potential of neural video coding. Conditional…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Yi-Hsin Chen , Kuan-Wei Ho , Martin Benjak , Jörn Ostermann , Wen-Hsiao Peng

The rapid growth of visual data under stringent storage and bandwidth constraints makes extremely low-bitrate image compression increasingly important. While Vector Quantization (VQ) offers strong structural fidelity, existing methods lack…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Shiyin Jiang , Wei Long , Minghao Han , Zhenghao Chen , Ce Zhu , Shuhang Gu

Inspired by recent developments in neural speech coding and diffusion-based language modeling, we tackle speech enhancement by modeling the conditional distribution of clean speech codes given noisy speech codes using absorbing discrete…

Sound · Computer Science 2026-02-27 Philippe Gonzalez

Universal audio codecs learn entangled representations across audio types, whereas some specific codecs offer decoupled representations but are limited to speech. Real-world audio, however, often contains mixed speech and background sounds,…

Sound · Computer Science 2025-09-12 Xiaoxue Luo , Jinwei Huang , Runyan Yang , Yingying Gao , Junlan Feng , Chao Deng , Shilei Zhang

Recent advancements in end-to-end neural speech codecs enable compressing audio at extremely low bitrates while maintaining high-fidelity reconstruction. Meanwhile, low computational complexity and low latency are crucial for real-time…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Leyan Yang , Ronghui Hu , Yang Xu , Jing Lu

Efficient compression of language model weights is increasingly critical as model scale and deployment grow. Yet, most existing methods rely on handcrafted transforms and heuristics, reflecting the limited understanding of weights as a data…

Machine Learning · Computer Science 2026-05-28 Jegwang Ryu , Minkyu Kim , Seungjun Shin , Hee Min Choi , Dokwan Oh , Jaeho Lee

Recent advancements in quantum computing highlight the need for efficient encoding of classical data into quantum states to ensure robust quantum information processing. Traditional encoding schemes often impose impractical requirements…

Quantum Physics · Physics 2026-05-13 Hyunho Cha , Wonjung Kim , Jungwoo Lee

It is customary to deploy uniform scalar quantization in the end-to-end optimized Neural image compression methods, instead of more powerful vector quantization, due to the high complexity of the latter. Lattice vector quantization (LVQ),…

Image and Video Processing · Electrical Eng. & Systems 2024-11-26 Xi Zhang , Xiaolin Wu

Powerful large language models (LLMs) are increasingly expected to be deployed with lower computational costs, enabling their capabilities on resource-constrained devices. Post-training quantization (PTQ) has emerged as a star approach to…

Machine Learning · Computer Science 2025-02-20 Yuzhuang Xu , Shiyu Ji , Qingfu Zhu , Wanxiang Che